Meet the new Flexi-U. The worlds first insurance rated flexible U-lock.The U-lock reimagined with more locking options than seen previously before...Cyclists can now buy a lock in the same convenient format they know and love but with the Litelok Flexi-U they will have loads more places to which they can lock their bike... and it\'s 50% lighter.  Key Features: Locks join together - double the length or double the security, Regular (640g), Large (730g), Combine both locks to allow complete versatility for locking locations + number of bikes which can be locked at once., Hardened aerospace grade steel lock casing, Pick & Drill resistant disc cylinder, Patented Boaflexicore strap, Patent-pending downward \'line of sight\' locking mechanism, Designed with versatility and usability in mind, R+L Combo fit in one another for easy and effective carrying in the frame, Comes with 4x keys & 4x WrapStraps ,.JoinableDouble the length or double the security. Join your Liteloks together or simply secure more of the bike: Designed For YouThe Litelok Flexi-U is made from high-quality materials that are robust and durable. Our patented Boaflexicore strap contains a high tensile steel and a complex polymer composite and the lock is made from hardened aerospace grade steel alloy - forged from molten metal at over 1700 degrees Centigrade. Engineered For SecurityThe Litelok Flexi-U has been security tested using common bike theft tools, simulating real-life street theft attacks as well as being tested under lab conditions, using machines that can apply forces far greater than any human can.Importantly, Litelok Silver has been awarded a Silver rating by Sold Secure, the UK’s leading independent testing organisation, which is owned by the Master Locksmiths Association.